Home / 730,728.66-1,088,387.66-697,942.63

Finding the Fourth Proportional to 730,728.66, 1,088,387.66 and 697,942.63

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Solution

The fourth proportional to 730,728.66, 1,088,387.66 and 697,942.63 is: 1,039,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,728.66 : 1,088,387.66 = 697,942.63 : x
  2. Step 2: Convert to fraction form
    730,728.66/1,088,387.66 = 697,942.63/x
  3. Step 3: Cross multiply
    730,728.66x = 1,088,387.66 × 697,942.63
  4. Step 4: Simplify right side
    730,728.66x = 759,632,145,879.95
  5. Step 5: Solve for x
    x = 759,632,145,879.95/730,728.66
  6. Step 6: Final answer
    x = 1,039,554.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.